Question

Таня сделала покупку на 15 руб. у него было 10 руб и 50. сколько рублей Осталось ?решить задачу разными способами

Answer 1

1)10+50=60
2)60-15=45

Answer 2

1) 10+50=60 руб-всего
2)60-15=45 руб- осталось

Answer 3

Problem Statement

Таня сделала покупку на 15 рублей. У неё было 10 рублей и 50. Сколько рублей осталось?

Solution 1: Subtraction

To find out how much money Tanya has left after making a purchase, we can subtract the cost of the purchase from the total amount of money she had before the purchase.

Tanya had 10 rubles and 50 kopeks, which can be written as 10.50 rubles. The purchase cost 15 rubles. To find out how much money is left, we subtract 15 rubles from 10.50 rubles:

10.50 rubles - 15 rubles = -4.50 rubles

Tanya has a deficit of 4.50 rubles.

Solution 2: Conversion to Kopeks

Another way to solve this problem is by converting the rubles and kopeks into a single unit, such as kopeks. We can then perform the subtraction and convert the result back to rubles and kopeks.

Tanya had 10 rubles and 50 kopeks. We can convert this to kopeks by multiplying the rubles by 100 and adding the kopeks:

10 rubles * 100 + 50 kopeks = 1050 kopeks

The purchase cost 15 rubles, which is equivalent to 1500 kopeks. To find out how much money is left, we subtract 1500 kopeks from 1050 kopeks:

1050 kopeks - 1500 kopeks = -450 kopeks

To convert the result back to rubles and kopeks, we divide -450 kopeks by 100 to get -4 rubles and 50 kopeks.

Tanya has a deficit of 4 rubles and 50 kopeks.

Solution 3: Combination of Rubles and Kopeks

We can also solve this problem by combining the rubles and kopeks into a single value and performing the subtraction.

Tanya had 10 rubles and 50 kopeks. We can represent this as 10.50 rubles. The purchase cost 15 rubles, which is equivalent to 15.00 rubles. To find out how much money is left, we subtract 15.00 rubles from 10.50 rubles:

10.50 rubles - 15.00 rubles = -4.50 rubles

Tanya has a deficit of 4.50 rubles.

Conclusion

In all three solutions, we found that Tanya has a deficit of 4.50 rubles after making a purchase of 15 rubles.

Please note that having a negative value indicates a deficit or debt, meaning Tanya does not have enough money to cover the cost of the purchase.

Let me know if you have any further questions!